public class Main {
    private static final String USERNAME="test";



    public void  test(){
        System.out.println("a");
        for(int i=0;i<10;i++){
            System.out.println(i);
        }
    }

    public String use(){
        System.out.println("aaaaaaaaaaaaa");

        return "xzy";
    }




    public void git(){
        System.out.println(1111);
    }


    public void num(){

        for(int i=0;i<10;i++){
            for(int j=0;j<10;j++){
                System.out.println(i*j);
            }
        }
    }

    public static void main(String[] args) {
        new Main().test();
        System.out.println("Hello World!");
        System.out.println("Main.main");
    }
}
